Home / 44,192.40-66,288.60-10,912.20

Finding the Fourth Proportional to 44,192.40, 66,288.60 and 10,912.20

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Solution

The fourth proportional to 44,192.40, 66,288.60 and 10,912.20 is: 16,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,192.40 : 66,288.60 = 10,912.20 : x
  2. Step 2: Convert to fraction form
    44,192.40/66,288.60 = 10,912.20/x
  3. Step 3: Cross multiply
    44,192.40x = 66,288.60 × 10,912.20
  4. Step 4: Simplify right side
    44,192.40x = 723,354,460.92
  5. Step 5: Solve for x
    x = 723,354,460.92/44,192.40
  6. Step 6: Final answer
    x = 16,368.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.